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电子转移
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  electron transfer
    ELECTRON TRANSFER BETWEEN Eu AND Tb IN Ca_5(PO_4)3Cl MATRIX
    Ca_5(PO_4)_3Cl中铕和铽间的电子转移
短句来源
    Stuty of the Tunneling Mechanism for Long Range Electron Transfer in Azobenzene Self-assembled Monolayers
    偶氮苯自组装单分子膜中长程电子转移机理
短句来源
    Surface Oxidation and Electron Transfer of MoS 2 During Friction
    MoS_2摩擦表面氧化与电子转移
短句来源
    Studies on Kinetics of the Electron Transfer Reaction of Fe(Ⅲ)[TP(o-NO_2)TBP]Cl with Ascorbic Acid
    Fe(Ⅲ)[TP(o-NO_2)TBP]Cl与抗坏血酸的均相电子转移反应动力学
短句来源
    DFT study of electron transfer between P and Ni in Ni -P amorphous alloy
    非晶态Ni-p合金中电子转移问题的DFT研究(英文)
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  “电子转移”译为未确定词的双语例句
    KINETIC INVESTIGATION OF THE REDUCTION OF trans [Co(en) 2(ImH) 2] 3+ BY [Fe(CN) 4] 4-
    [Fe(CN)_6]~(4-)还原trans-[Co(en)_2(ImH_)2]~(3+)的电子转移反应动力学机理
短句来源
    Study of Charge Transfer at the Interface of SnO_2 Ultra-fine Particle Film/Gas
    SnO_2超微粒薄膜的界面电子转移研究
短句来源
    Fe(Ⅱ) can be oxidized speedly to form amorphous α-FeOOH. When pH<8.7, O_3 is predominately decomposed to O_2 and O_2 is transformed to [O_2~-·] by the interaction between O_2 and FeⅡ-EDTA. Thus Fe(OH)_2 can be transformed speedly to y-FeOOH.
    当pH值小于8.7时,O_3分解为O_2可能占主导,O_2与配合物Fe~Ⅱ-EDTA的作用,通过电子转移可产生超氧负离子(O_2~-·),可使Fe(Ⅱ)快速生成γ-FeOOH。
短句来源
    The results indicate that he 1H NMR linewidth of ligands R2NCS2 of cluster compoundsare broadened, because electron transfarrfrom atom Cu+ to atom V5+ occur;
    在这些异金属簇合物中,存在着Cu十的d电子向V5+的空的d轨道的电子转移,从而加宽了配体R2NCS2的1HNMR谱线;
短句来源
    Eu~3+ and Tb~3+ ions tend to transfer an electron to get their more stable configurationEu~2+(4f7) and Tb~4+(4f7) ions.
    Eu3+(4f6)和Tb3+(4f8)通过电子转移使它们达到电子结构稳定的Eu2+(4f7)和Tb4+(4f7)。
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  electron transfer
Photoinduced intramolecular electron transfer process from C60 moiety to carbazole moiety has been studied by nanosecond laser flash photolysis.
      
The electron transfer coefficient and apparent reaction rate constant were determined to be 0.861 and 1.27 s-1.
      
This causes a significant increase in the efficiency of further electron transfer to the primary quinone acceptor as compared to a system with two absolutely symmetric electron transfer branches.
      
Reactions of electron transfer from the primary to secondary quinone acceptors and from the multiheme cytochrome c subunit to photoactive bacteriochlorophyll dimer were used as probes of electron transport efficiency.
      
The thermoinduced transition of the acceptor complex to the conformational state facilitating electron transfer to the secondary quinone acceptor was studied.
      
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Current efficiency of chromium electrodeposition and cathodic polarization curves were determined in halidechromie acid-sulphurie acid systems. Composition of the cathodic films formed was determined by XPS and AES. The results show that sulphate is an effective catalyst for the deposition of bright chromium aod that the current efficiency of chromium deposition increases remarkably when F~- and Cl~- are added to the bath, and also that F~- and Cl~- participate in the formation of the films. The depth profile...

Current efficiency of chromium electrodeposition and cathodic polarization curves were determined in halidechromie acid-sulphurie acid systems. Composition of the cathodic films formed was determined by XPS and AES. The results show that sulphate is an effective catalyst for the deposition of bright chromium aod that the current efficiency of chromium deposition increases remarkably when F~- and Cl~- are added to the bath, and also that F~- and Cl~- participate in the formation of the films. The depth profile curves of the film show that halide is distributed in the inner layer of the film and SO_4~2- in the surface layer. It is deduced that F~- and Cl~- form a bridged complex, [Cr~Ⅱ -X~- -Cr~Ⅱ ],~≠ in which electron transition is easily carried out.

研究了铬酸—硫酸体系中卤素对铬电沉积的效率和阴极极化曲线的影响.用电子能谱(XPS和AES)测定了该体系中形成的阴极膜的组成.结果表明,硫酸能有效地催化光亮铬的形成,F~-、Cl~-能显著地提高铬电沉积的电流效率.除Br~-外,F~-、Cl~-均参加成膜.由膜的深度剖析曲线表明,卤素分布在膜的深层,SO_4~(2-)集中在膜的表面.由此可推测,F~-、Cl~-在金属表面和铬酸的还原产物重铬酸铬形成了易发生电子转移反应的表面过渡态配合物〔Cr~Ⅰ-X-Cr~Ⅱ〕~≠.

Abstract The transient absorption spectra or Coo in benzene with and without CCl4 or CC13CF3 in pulse radiolysis have been measured in the visible region. Following the pulse radiolysis of C60 in pure benzene solution, the generation of the excited triplet state 'C6 is observed at about 740urn via the triplet-triplet energy transfer form 3C6H6 to C60. The rate constants of quenching 3C60 by oxygen and the ground-state of Coo have been determined to be 2×109M-1s-1 and 9×108M-1s-1, respectively. The pulsed radiolytic...

Abstract The transient absorption spectra or Coo in benzene with and without CCl4 or CC13CF3 in pulse radiolysis have been measured in the visible region. Following the pulse radiolysis of C60 in pure benzene solution, the generation of the excited triplet state 'C6 is observed at about 740urn via the triplet-triplet energy transfer form 3C6H6 to C60. The rate constants of quenching 3C60 by oxygen and the ground-state of Coo have been determined to be 2×109M-1s-1 and 9×108M-1s-1, respectively. The pulsed radiolytic generation or radical canon C+60. in benzene containing CCl4 or CC13CF3 via electron transfer from 3C60 to electron acceptor (CCl4 or CC13CF3) has been confirmed for the first time by the appearance of a novel absorption peak at around 650nm.

本文采用瞬态吸收技术在可见光谱范围内研究了脉冲电子辐解C_(60)苯溶液中生成阳离子C_(60) ̄+和三线激发态 ̄3C_(60)的过程,在C_(60)纯苯溶液中经脉冲辐解在740nm处观察到 ̄3C_(60)的吸收,并认为它是由苯分子的三线激发态 ̄3C_6H_6与C_(60)之间通过三线态间(T-T)传能而产生的,已测得 ̄3C_(60)被O_2和基态C_(60)分子猝灭的速率常数分别为2×10 ̄9M ̄(-1)s ̄(-1)和9×10 ̄8M ̄(-1)S ̄(-1).在含有电子接受剂(CCl_4或CCl_3CF_3)的苯溶液中,C_(60)经脉冲辐解在650nm附近观察到新的瞬态吸收,表明生成了C_(60) ̄+阳离子自由基,这可能是通过上述电子接受剂与 ̄3C_(60)之间的电子转移而产生的。

Abstract From the view of structure of coordination ions, the effect of the structural reogranization energy (RE) of reactants in electron transfer processes to electron transfer rate may be divided into two parts: inner-sphere factor (contribution from the ion-ligand bond length stretching)and outter-sphere factor (contribution from the solvent). The outter-sphere RE may be accurately calculated via the Marcus theory of nonequilibrium solvent polarization, but the inner-sphere formalism are George-Griffith's...

Abstract From the view of structure of coordination ions, the effect of the structural reogranization energy (RE) of reactants in electron transfer processes to electron transfer rate may be divided into two parts: inner-sphere factor (contribution from the ion-ligand bond length stretching)and outter-sphere factor (contribution from the solvent). The outter-sphere RE may be accurately calculated via the Marcus theory of nonequilibrium solvent polarization, but the inner-sphere formalism are George-Griffith's model whose applicability is usually limited by the paucity of the reliable vibrational spectroscopic data and Tunuli's formalism of RE of oscillator potential by calculating the force constants of reorganized state in terms of ion-dipole interaction potential which effectively improved RE results. But, there are also some errors in them, the reason is that the change relationship between the energy of complex ions and ion-ligand bond length in solution doesn't completely satisfy harmonic oscillator model, the bigger the equilibrium displacement, the bigger the energy error. Both of cxperiment and theory indicate that the cubic term correction of harmonic oscillator potential can give a better fit to actual potential curve in a large degree. Based on a simple improved model of reorganization phenomenon and ion-dipole capture force field potential, a new formalism of energy index describing the inner-sphere reorganization effect of hydrated ions in solution involved in electron-transfer processes is presented in this paper, the calculation results indicate that this work effectively improve early ones, and give a better agreement with experimental spectroscopic scale data and photoemission cxperimentul results, and avoid the difficulty to calculate inner-sphere RE under the condition of the scarcity of vibrational spectroscopic data in solution, and present a new simple analysis method by the physical parameters of ions and ligands which is chained easily.

本文基于重组现象简单的改进模型及离子—偶极子俘获力场势函数,提出了描述电子转移过程中溶液水合离子内氛重组织效应的能量指标的一种新的形式。计算结果表明该工作有效地改进了前人的工作,取得了与实验光谱标度数据一致的规律性,并与光发射实验结果吻合较好,它避免了因缺乏溶液中可信的振动光谱数据在计算内氛重组能上的困难,通过易得的离子和配体的物理量给出了一种简便的分析方法。

 
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